More like improved version of her guided/homing missilesAh, time for her to revolutionize people understanding of magic and have her name put in the story books, that's how Liz will get to the level of Miyabi right?
Next we see it she'll be creating the magic version of a nuke
True, though a denser one is likely better experience as a starting point for making things in general. And it'll be easier to lay out as a full simple blanket, rather than, say, chains that he'd have to design around.It's not like you need to use that dense maille. And less dense is easier to produce.
If he is smart he figure out the military use of that. Grenades for example..Got a feeling that miyabi will clash with the captain-looking fellow. And by doing so, he will show the world the potential of crafting in battle.